O.I. Corporation Announces Results for Third Quarter 2009

COLLEGE STATION, TX, Nov 12 (MARKET WIRE) --
O.I. Corporation (NASDAQ: OICO) today announced its results for the third
quarter and the first nine months of 2009. These results are summarized
below.

The limited information contained in this press release is not adequate
information upon which to make an informed investment decision.
Accordingly, we urge investors to read our Quarterly Report on Form 10-Q
for the quarter ended September 30, 2009 which is available on our website
at www.oico.com or the SEC's website at www.sec.gov.

O.I. CORPORATION
FINANCIAL HIGHLIGHTS
(in thousands, except earnings per share amounts)

Three Months Ended Nine Months Ended
Income Statement Data September 30 September 30
2009 2008 2009 2008
--------- -------- -------- --------
Net revenues $ 4,889 $ 6,621 $ 14,386 $ 21,992
Operating Income/(Loss) $ 285 $ 252 $ (469) $ 963
Income/(Loss) before income taxes $ 293 $ (94) $ (434) $ 481
Provision/(Benefit) for income
taxes $ 81 $ (236) $ (163) $ (92)
Net income/(Loss) $ 212 $ 142 $ (271) $ 573

Basic earnings/(loss) per share $ 0.09 $ 0.06 $ (0.12) $ 0.22
Diluted earnings/(loss) per share $ 0.09 $ 0.06 $ (0.12) $ 0.22
--------- -------- -------- --------

Balance Sheet Data
September 30, December 31,
Assets 2009 2008
------------- -------------
Cash and investments $ 4,312 $ 3,434
Accounts receivable 4,197 6,195
Inventories 5,484 5,754
Other current assets 1,553 1,554
------------- -------------
Total current assets 15,546 16,937

Long-term assets 4,318 4,667
------------- -------------
Total assets $ 19,864 $ 21,604
============= =============

Liabilities and Stockholders' Equity
------------- -------------
Total liabilities 2,423 3,670

Stockholders' equity: 17,441 17,934
------------- -------------
Total liabilities and stockholders' equity $ 19,864 $ 21,604
============= =============

About O.I. Corporation:

O.I. Corporation, dba OI Analytical, develops, manufactures, sells, and
services analytical instrumentation that detects, measures, analyzes, and
monitors chemicals in liquids, solids, and gases. Providing products used
to digest, extract, and separate components of chemical mixtures, the
Company designs application-specific solutions for various industries
including environmental testing, defense, and petrochemical. Headquartered
in College Station, Texas, the Company's products are sold worldwide.

Visit the Company's web site at: http://www.oico.com

Investor Relations:
Bruce Lancaster
Chief Executive Officer &
Chief Financial Officer
979.690.1711

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